Finding the Fourth Proportional to 7,623,825,243.75, 10,521,134,307.69 and 4,236,877,262.90
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Solution
The fourth proportional to 7,623,825,243.75, 10,521,134,307.69 and 4,236,877,262.90 is: 5,847,032,598.85
Step by Step Solution
- Step 1: Write the proportion equation
7,623,825,243.75 : 10,521,134,307.69 = 4,236,877,262.90 : x - Step 2: Convert to fraction form
7,623,825,243.75/10,521,134,307.69 = 4,236,877,262.90/x - Step 3: Cross multiply
7,623,825,243.75x = 10,521,134,307.69 × 4,236,877,262.90 - Step 4: Simplify right side
7,623,825,243.75x = 44,576,754,728,116,289,536 - Step 5: Solve for x
x = 44,576,754,728,116,289,536/7,623,825,243.75 - Step 6: Final answer
x = 5,847,032,598.85
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.